Here, 8 cm is the radius of each of the quadrants ABMD and BNDC.

= the area of the region between two arcs BMC and BNC = The area of semicircle BNC – The area of the segment of the circle BMCĬalculate the area of the designed region in figure common between the two quadrants of circles of radius 8 cm each. Since ROQ is a diameter, therefore ∠RPQ = 90°. BSEB Bihar Board Class 10th Maths Solutions Chapter 12 Areas Related to Circles Ex 12.3įind the area of the shaded region in the figure, if PQ = 24 cm, PR = 7 cm and O is the centre of the circle. 3 solved examples and then the last exercise of the chapter -12.3 is given. This exercise is very driven towards concepts. Mathematics NCERT Grade 10, Chapter 12: Areas related to circles- We already. To emerge with flying colors students must use their cognitive as well as visualization abilities. Simplify the expression and find its value when a 5 and b. Bihar Board Class 10th Maths Solutions Chapter 12 Areas Related to Circles Ex 12.3 Textbook Questions and Answers. The NCERT Solutions Class 10 Maths Chapter 12 Exercise 12.3 has a total of 16 questions that are either intermediate or complex. What should be the value of a if the value of 2x² + x a equals to 5, when x 0 Solution: 2x² + x a 5 Putting x 0, we get 2(0)² + (0) a 5 0 + 0 a 5-a 5 a -5 which is required value.

Ex 12.3 class 10